The Global Cellular Glass Board Market was valued at USD 345.8 Million in 2024 and is projected to reach USD 512.3 Million by 2030, growing at a Compound Annual Growth Rate (CAGR) of 6.2% during the forecast period (2024–2030). This growth is being driven by stringent energy efficiency regulations for buildings, rising demand for non-combustible insulation materials, and the accelerating adoption of sustainable construction practices across residential, commercial, and industrial sectors.

As the construction industry pivots toward high-performance and fire-safe building envelopes, the spotlight is on the key material manufacturers who are driving innovation, durability, and thermal efficiency. In this blog, we profile the Top 10 Companies in the Cellular Glass Board Industry—a mix of global material science leaders, specialized European innovators, and fast-growing Asian producers shaping the future of building insulation.

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🔟 1. Owens Corning

Headquarters: Toledo, Ohio, USA
Key Offering: FOAMGLAS® cellular glass insulation boards

Owens Corning is a global leader in building materials and a pioneer in cellular glass technology through its FOAMGLAS® brand. Their cellular glass boards are renowned for their exceptional compressive strength, moisture resistance, and non-combustible properties, making them ideal for critical applications in commercial roofing, cryogenic systems, and below-grade insulation.

Innovation and Sustainability Initiatives:

• Continuous R&D in cellular glass formulations for enhanced thermal performance
• Focus on circular economy principles with high recycled glass content
• Committed to reducing operational carbon footprint by 50% by 2030

Download FREE Sample Report: Cellular Glass Board Market – View in Detailed Research Report

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9️⃣ 2. GEOCELL Schaumglas GmbH

Headquarters: Graz, Austria
Key Offering: GEOCELL cellular glass boards and granules

GEOCELL Schaumglas GmbH is a European specialist in cellular glass insulation, producing high-quality boards for construction and industrial applications. The company’s products are characterized by their closed-cell structure, providing permanent insulation that is impervious to water vapor and resistant to most chemicals.

Innovation and Sustainability Initiatives:

• Specialization in high-temperature applications up to 430°C
• Development of lightweight granulate products for loose-fill insulation
• Commitment to sustainable production using post-consumer glass

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8️⃣ 3. Pittsburgh Corning (Part of Owens Corning)

Headquarters: Pittsburgh, Pennsylvania, USA
Key Offering: FOAMGLAS® insulation systems

Pittsburgh Corning, now integrated into Owens Corning’s portfolio, has been a historic innovator in cellular glass technology. The company manufactures a comprehensive range of cellular glass boards designed for extreme temperature conditions, chemical resistance, and long-term performance in demanding environments.

Innovation and Sustainability Initiatives:

• Pioneering cellular glass technology since the 1930s
• Development of specialized systems for LNG and industrial applications
• Integration into Owens Corning’s broader sustainability framework

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7️⃣ 4. Misapor AG

Headquarters: Mühlau, Switzerland
Key Offering: MISAPOR cellular glass granules and boards

Misapor AG is a Swiss manufacturer specializing in lightweight cellular glass products. The company’s unique manufacturing process creates a material with excellent thermal insulation properties, making it suitable for a wide range of applications from construction to horticulture and lightweight fill.

Innovation and Sustainability Initiatives:

• Innovative foaming technology for customized density products
• Applications in green roofing and vegetative systems
• Swiss precision manufacturing for consistent quality

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6️⃣ 5. Liaver GmbH & Co. KG

Headquarters: Weiden, Germany
Key Offering: LIAVER glass foam granules and insulation panels

Liaver is a German manufacturer that has developed advanced glass foam products using a sophisticated expansion process. Their LIAVER granules and panels offer excellent thermal insulation, fire resistance, and environmental benefits, positioning them as a sustainable alternative to traditional insulation materials.

Innovation and Sustainability Initiatives:

• Proprietary expansion technology for uniform cell structure
• Focus on lightweight construction applications
• 100% recyclable and environmentally neutral products

Download FREE Sample Report: Cellular Glass Board Market – View in Detailed Research Report

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5️⃣ 6. Zhejiang Zhenshen Thermal Technology Co., Ltd.

Headquarters: Zhejiang, China
Key Offering: Cellular glass insulation boards and pipes

Zhejiang Zhenshen is a leading Chinese manufacturer of thermal insulation materials, including cellular glass boards. The company has established a strong position in the Asian market by offering cost-effective insulation solutions that meet international quality standards for industrial and construction applications.

Innovation and Sustainability Initiatives:

• Expanding production capacity to meet growing Asian demand
• Development of products tailored for local climate conditions
• Investment in automated manufacturing processes

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4️⃣ 7. Glavel, Inc.

Headquarters: Vermont, USA
Key Offering: GLAVEL foam glass aggregate

Glavel is an innovative American company producing environmentally friendly foam glass aggregate from recycled glass. Their lightweight, insulating aggregate is used in construction for below-slab insulation, green roofs, and drainage applications, offering a sustainable alternative to traditional materials.

Innovation and Sustainability Initiatives:

• Patented manufacturing process using 100% recycled glass
• Carbon-negative insulation solution
• Focus on circular economy and waste diversion

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3️⃣ 8. REFAGLASS s.r.o.

Headquarters: Czech Republic
Key Offering: REFAGLASS cellular glass insulation

REFAGLASS is a Central European manufacturer of cellular glass insulation products. The company serves markets across Europe with high-performance insulation boards that offer excellent fire resistance, dimensional stability, and long-term thermal performance for building and industrial applications.

Innovation and Sustainability Initiatives:

• Customizable product dimensions for specific project requirements
• Focus on energy-efficient building envelope solutions
• Compliance with European construction standards and regulations

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2️⃣ 9. Benarx (Part of the Scancem International Group)

Headquarters: Oslo, Norway
Key Offering: Cellular glass insulation for harsh climates

Benarx, as part of the Scancem International Group, specializes in insulation solutions designed for extreme northern climates. Their cellular glass products are engineered to withstand the demanding conditions of Arctic and sub-Arctic environments, making them particularly valuable for oil and gas installations and cold-climate construction.

Innovation and Sustainability Initiatives:

• Specialization in cryogenic and low-temperature applications
• Products tested for performance in extreme weather conditions
• Commitment to sustainable extraction and manufacturing practices

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1️⃣ 10. Anhui Huichang New Material Co., Ltd.

Headquarters: Anhui, China
Key Offering: Cellular glass boards and composite insulation systems

Anhui Huichang is a rapidly growing Chinese manufacturer of advanced insulation materials. The company produces cellular glass boards that combine thermal performance with mechanical strength, catering to both domestic Chinese infrastructure projects and international export markets.

Innovation and Sustainability Initiatives:

• Investment in large-scale production facilities
• Development of composite insulation systems integrating multiple materials
• Focus on meeting international quality certifications for global markets

Get Full Report Here: Cellular Glass Board Market – View in Detailed Research Report

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🌍 Outlook: The Future of Cellular Glass Board Is Smarter and More Sustainable

The cellular glass board market is undergoing a significant transformation. While traditional insulation materials still dominate in volume, the industry is increasingly investing in high-performance alternatives that offer superior fire safety, moisture resistance, and environmental benefits.

📈 Key Trends Shaping the Market:

• Stringent building codes mandating higher fire safety standards
• Growing demand for insulation in energy retrofit projects
• Increasing adoption in industrial applications requiring chemical resistance
• R&D focus on reducing embodied carbon in insulation materials

Get Full Report Here: Cellular Glass Board Market – View in Detailed Research Report

The companies listed above are not only supplying essential building materials—they’re driving the sustainable transformation of the global construction industry.